Chevy 5.3 P0430 code FIXED
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YouTubePreetTheGeek
Chevy 5.3 P0430 code FIXED
My 1999 chevy silverado 1500 5.3, kept throwing the check engine light on with code P0430 bank 2 catalytic convert efficiency below threshold. No a lot of videos out there about the exygen sensor everyone kept saying its a bad cat, I changed the bank 2 post cat oxygen sensor, cleared the code and all of my monitors got ready and check engine ...
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